package com.tacc.tyun.util;

/**
 * @author taocongcong
 * @create 2017-07-22 10:30
 */
public class ChinaDate {
    public static void main(String[] args) {
//     调用农历日期转换阳历日期方法
        System.out.println(ChineseCalendar.sCalendarLundarToSolar(2017, 10, 30));
    }
}
//     自定义日历类
class ChineseCalendar {
    //     Array lIntLunarDay is stored in the monthly day information in every year from 1901     to 2100 of the lunar calendar,
//     The lunar calendar can only be 29 or 30 days every month, express with     12(or 13) pieces of binary bit in one year,
//     it is 30 days for 1 form in the corresponding location , otherwise it is 29 days
    private static final int[] iLunarMonthDaysTable = {
            0x4ae0, 0xa570, 0x5268, 0xd260, 0xd950, 0x6aa8, 0x56a0, 0x9ad0, 0x4ae8, 0x4ae0, // 1910
            0xa4d8, 0xa4d0, 0xd250, 0xd548, 0xb550, 0x56a0, 0x96d0, 0x95b0, 0x49b8, 0x49b0, // 1920
            0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada8, 0x2b60, 0x9570, 0x4978, 0x4970, 0x64b0, // 1930
            0xd4a0, 0xea50, 0x6d48, 0x5ad0, 0x2b60, 0x9370, 0x92e0, 0xc968, 0xc950, 0xd4a0, // 1940
            0xda50, 0xb550, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, 0xb4a8, 0x6ca0, // 1950
            0xb550, 0x55a8, 0x4da0, 0xa5b0, 0x52b8, 0x52b0, 0xa950, 0xe950, 0x6aa0, 0xad50, // 1960
            0xab50, 0x4b60, 0xa570, 0xa570, 0x5260, 0xe930, 0xd950, 0x5aa8, 0x56a0, 0x96d0, // 1970
            0x4ae8, 0x4ad0, 0xa4d0, 0xd268, 0xd250, 0xd528, 0xb540, 0xb6a0, 0x96d0, 0x95b0, // 1980
            0x49b0, 0xa4b8, 0xa4b0, 0xb258, 0x6a50, 0x6d40, 0xada0, 0xab60, 0x9370, 0x4978, // 1990
            0x4970, 0x64b0, 0x6a50, 0xea50, 0x6b28, 0x5ac0, 0xab60, 0x9368, 0x92e0, 0xc960, // 2000
            0xd4a8, 0xd4a0, 0xda50, 0x5aa8, 0x56a0, 0xaad8, 0x25d0, 0x92d0, 0xc958, 0xa950, // 2010
            0xb4a0, 0xb550, 0xb550, 0x55a8, 0x4ba0, 0xa5b0, 0x52b8, 0x52b0, 0xa930, 0x74a8, // 2020
            0x6aa0, 0xad50, 0x4da8, 0x4b60, 0x9570, 0xa4e0, 0xd260, 0xe930, 0xd530, 0x5aa0, // 2030
            0x6b50, 0x96d0, 0x4ae8, 0x4ad0, 0xa4d0, 0xd258, 0xd250, 0xd520, 0xdaa0, 0xb5a0, // 2040
            0x56d0, 0x4ad8, 0x49b0, 0xa4b8, 0xa4b0, 0xaa50, 0xb528, 0x6d20, 0xada0, 0x55b0 // 2050
    };
    //     Array iLunarLeapMonthTable preserves the lunar calendar leap month from 1901 to 2050,
//     if it is 0 express not to have , every byte was stored for two years
    private static final char[] iLunarLeapMonthTable = { 0x00, 0x50, 0x04, 0x00, 0x20, // 1910
            0x60, 0x05, 0x00, 0x20, 0x70, // 1920
            0x05, 0x00, 0x40, 0x02, 0x06, // 1930
            0x00, 0x50, 0x03, 0x07, 0x00, // 1940
            0x60, 0x04, 0x00, 0x20, 0x70, // 1950
            0x05, 0x00, 0x30, 0x80, 0x06, // 1960
            0x00, 0x40, 0x03, 0x07, 0x00, // 1970
            0x50, 0x04, 0x08, 0x00, 0x60, // 1980
            0x04, 0x0a, 0x00, 0x60, 0x05, // 1990
            0x00, 0x30, 0x80, 0x05, 0x00, // 2000
            0x40, 0x02, 0x07, 0x00, 0x50, // 2010
            0x04, 0x09, 0x00, 0x60, 0x04, // 2020
            0x00, 0x20, 0x60, 0x05, 0x00, // 2030
            0x30, 0xb0, 0x06, 0x00, 0x50, // 2040
            0x02, 0x07, 0x00, 0x50, 0x03 // 2050
    };
    //     Array iSolarLunarTable stored the offset days
//     in New Year of solar calendar and lunar calendar from 1901 to 2050;
    private static final char[] iSolarLunarOffsetTable = { 49, 38, 28, 46, 34,
            24, 43, 32, 21, 40, // 1910
            29, 48, 36, 25, 44, 34, 22, 41, 31, 50, // 1920
            38, 27, 46, 35, 23, 43, 32, 22, 40, 29, // 1930
            47, 36, 25, 44, 34, 23, 41, 30, 49, 38, // 1940
            26, 45, 35, 24, 43, 32, 21, 40, 28, 47, // 1950
            36, 26, 44, 33, 23, 42, 30, 48, 38, 27, // 1960
            45, 35, 24, 43, 32, 20, 39, 29, 47, 36, // 1970
            26, 45, 33, 22, 41, 30, 48, 37, 27, 46, // 1980
            35, 24, 43, 32, 50, 39, 28, 47, 36, 26, // 1990
            45, 34, 22, 40, 30, 49, 37, 27, 46, 35, // 2000
            23, 42, 31, 21, 39, 28, 48, 37, 25, 44, // 2010
            33, 23, 41, 31, 50, 39, 28, 47, 35, 24, // 2020
            42, 30, 21, 40, 28, 47, 36, 25, 43, 33, // 2030
            22, 41, 30, 49, 37, 26, 44, 33, 23, 42, // 2040
            31, 21, 40, 29, 47, 36, 25, 44, 32, 22, // 2050
    };
    static boolean bIsSolarLeapYear(int iYear) {
        return ((iYear % 4 == 0) && (iYear % 100 != 0) || iYear % 400 == 0);
    }
    //     The days in the month of solar calendar
    static int iGetSYearMonthDays(int iYear, int iMonth) {
        if ((iMonth == 1) || (iMonth == 3) || (iMonth == 5) || (iMonth == 7) || (iMonth == 8)
                || (iMonth == 10) || (iMonth == 12))
            return 31;
        else if ((iMonth == 4) || (iMonth == 6) || (iMonth == 9) || (iMonth == 11))
            return 30;
        else if (iMonth == 2) {
            if (bIsSolarLeapYear(iYear))
                return 29;
            else
                return 28;
        } else
            return 0;
    }
    //     The offset days from New Year and the day when point out in solar calendar
    static int iGetSNewYearOffsetDays(int iYear, int iMonth, int iDay) {
        int iOffsetDays = 0;
        for (int i = 1; i < iMonth; i++) {
            iOffsetDays += iGetSYearMonthDays(iYear, i);
        }
        iOffsetDays += iDay - 1;
        return iOffsetDays;
    }
    static int iGetLLeapMonth(int iYear) {
        char iMonth = iLunarLeapMonthTable[(iYear - 1901) / 2];
        if (iYear % 2 == 0)
            return (iMonth & 0x0f);
        else
            return (iMonth & 0xf0) >> 4;
    }
    static int iGetLMonthDays(int iYear, int iMonth) {
        int iLeapMonth = iGetLLeapMonth(iYear);
        if ((iMonth > 12) && (iMonth - 12 != iLeapMonth) || (iMonth < 0)) {
            System.out.println("Wrong month, ^_^ , i think you are want a -1, go to death!");
            return -1;
        }
        if (iMonth - 12 == iLeapMonth) {
            if ((iLunarMonthDaysTable[iYear - 1901] & (0x8000 >> iLeapMonth)) == 0)
                return 29;
            else
                return 30;
        }
        if ((iLeapMonth > 0) && (iMonth > iLeapMonth))
            iMonth++;
        if ((iLunarMonthDaysTable[iYear - 1901] & (0x8000 >> (iMonth - 1))) == 0)
            return 29;
        else
            return 30;
    }
    //     Days in this year of lunar calendar
    static int iGetLYearDays(int iYear) {
        int iYearDays = 0;
        int iLeapMonth = iGetLLeapMonth(iYear);
        for (int i = 1; i < 13; i++)
            iYearDays += iGetLMonthDays(iYear, i);
        if (iLeapMonth > 0)
            iYearDays += iGetLMonthDays(iYear, iLeapMonth + 12);
        return iYearDays;
    }
    static int iGetLNewYearOffsetDays(int iYear, int iMonth, int iDay) {
        int iOffsetDays = 0;
        int iLeapMonth = iGetLLeapMonth(iYear);
        if ((iLeapMonth > 0) && (iLeapMonth == iMonth - 12)) {
            iMonth = iLeapMonth;
            iOffsetDays += iGetLMonthDays(iYear, iMonth);
        }
        for (int i = 1; i < iMonth; i++) {
            iOffsetDays += iGetLMonthDays(iYear, i);
            if (i == iLeapMonth)
                iOffsetDays += iGetLMonthDays(iYear, iLeapMonth + 12);
        }
        iOffsetDays += iDay - 1;
        return iOffsetDays;
    }
    //     The solar calendar is turned into the lunar calendar
    static String sCalendarSolarToLundar(int iYear, int iMonth, int iDay) {
        int iLDay, iLMonth, iLYear;
        int iOffsetDays = iGetSNewYearOffsetDays(iYear, iMonth, iDay);
        int iLeapMonth = iGetLLeapMonth(iYear);
        if (iOffsetDays < iSolarLunarOffsetTable[iYear - 1901]) {
            iLYear = iYear - 1;
            iOffsetDays = iSolarLunarOffsetTable[iYear - 1901] - iOffsetDays;
            iLDay = iOffsetDays;
            for (iLMonth = 12; iOffsetDays > iGetLMonthDays(iLYear, iLMonth); iLMonth--) {
                iLDay = iOffsetDays;
                iOffsetDays -= iGetLMonthDays(iLYear, iLMonth);
            }
            if (0 == iLDay)
                iLDay = 1;
            else
                iLDay = iGetLMonthDays(iLYear, iLMonth) - iOffsetDays + 1;
        } else {
            iLYear = iYear;
            iOffsetDays -= iSolarLunarOffsetTable[iYear - 1901];
            iLDay = iOffsetDays + 1;
            for (iLMonth = 1; iOffsetDays >= 0; iLMonth++) {
                iLDay = iOffsetDays + 1;
                iOffsetDays -= iGetLMonthDays(iLYear, iLMonth);
                if ((iLeapMonth == iLMonth) && (iOffsetDays > 0)) {
                    iLDay = iOffsetDays;
                    iOffsetDays -= iGetLMonthDays(iLYear, iLMonth + 12);
                    if (iOffsetDays <= 0) {
                        iLMonth += 12 + 1;
                        break;
                    }
                }
            }
            iLMonth--;
        }
        return "" + iLYear + (iLMonth > 9 ? "" + iLMonth : "0" + iLMonth) +
                (iLDay > 9 ? "" + iLDay : "0" + iLDay);
    }
    //     The lunar calendar is turned into the Solar calendar
    static String sCalendarLundarToSolar(int iYear, int iMonth, int iDay) {
        int iSYear, iSMonth, iSDay;
        int iOffsetDays = iGetLNewYearOffsetDays(iYear, iMonth, iDay) +
                iSolarLunarOffsetTable[iYear - 1901];
        int iYearDays = bIsSolarLeapYear(iYear) ? 366 : 365;
        if (iOffsetDays >= iYearDays) {
            iSYear = iYear + 1;
            iOffsetDays -= iYearDays;
        } else {
            iSYear = iYear;
        }
        iSDay = iOffsetDays + 1;
        for (iSMonth = 1; iOffsetDays >= 0; iSMonth++) {
            iSDay = iOffsetDays + 1;
            iOffsetDays -= iGetSYearMonthDays(iSYear, iSMonth);
        }
        iSMonth--;
        return "" + iSYear + (iSMonth > 9 ? iSMonth + "" : "0" + iSMonth) +
                (iSDay > 9 ? iSDay + "" : "0" + iSDay);
    }
}
//     自定义星期类
class Week {
    int iWeek;
    private String sWeek[] = { "Sunday", "Monday", "Tuesday", "Wednesday",
            "Thursday", "Friday", "Saturday" };
    public Week() {
        iWeek = 0;
    }
    public Week(int w) {
        if ((w > 6) || (w < 0)) {
            System.out.println("Week out of range, I think you want Sunday");
            this.iWeek = 0;
        } else
            this.iWeek = w;
    }
    public String toString() {
        return sWeek[iWeek];
    }
}
//     自定义日期类
class MyDate {
    public int iYear;
    public int iMonth;
    public int iDay;
    private static int checkYear(int iYear) {
        if ((iYear > 1901) && (iYear < 2050))
            return iYear;
        else {
            System.out.println("The Year out of range, I think you want 1981");
            return 1981;
        }
    }
    public MyDate(int iYear, int iMonth, int iDay) {
        this.iYear = checkYear(iYear);
        this.iMonth = iMonth;
        this.iDay = iDay;
    }
    public MyDate(int iYear, int iMonth) {
        this.iYear = checkYear(iYear);
        this.iMonth = iMonth;
        this.iDay = 1;
    }
    public MyDate(int iYear) {
        this.iYear = checkYear(iYear);
        this.iMonth = 1;
        this.iDay = 1;
    }
    public MyDate() {
        this.iYear = 1981;
        this.iMonth = 1;
        this.iDay = 1;
    }
    public String toString() {
        return "" + this.iYear + (this.iMonth > 9 ? "" + this.iMonth : "0" + this.iMonth)
                + (this.iDay > 9 ? "" + this.iDay : "0" + this.iDay);
    }
    public boolean equals(MyDate md) {
        return ((md.iDay == this.iDay) && (md.iMonth == this.iMonth) &&
                (md.iYear == this.iYear));
    }
}
//     阳历日期类,继承自定义日期
class SolarDate extends MyDate {
    private static int checkMonth(int iMonth) {
        if (iMonth > 12) {
            System.out.println("Month out of range, I think you want 12 ");
            return 12;
        } else if (iMonth < 1) {
            System.out.println("Month out of range, I think you want 1 ");
            return 1;
        } else
            return iMonth;
    }
    private static int checkDay(int iYear, int iMonth, int iDay) {
        int iMonthDays = ChineseCalendar.iGetSYearMonthDays(iYear, iMonth);
        if (iDay > iMonthDays) {
            System.out.println("Day out of range, I think you want " + iMonthDays + " ");
            return iMonthDays;
        } else if (iDay < 1) {
            System.out.println("Day out of range, I think you want 1 ");
            return 1;
        } else
            return iDay;
    }
    public SolarDate(int iYear, int iMonth, int iDay) {
        super(iYear);
        this.iMonth = checkMonth(iMonth);
        this.iDay = checkDay(this.iYear, this.iMonth, iDay);
    }
    public SolarDate(int iYear, int iMonth) {
        super(iYear);
        this.iMonth = checkMonth(iMonth);
    }
    public SolarDate(int iYear) {
        super(iYear);
    }
    public SolarDate() {
        super();
    }
    public String toString() {
        return "" + this.iYear + (this.iMonth > 9 ? "-" + this.iMonth : "-0" + this.iMonth)
                + (this.iDay > 9 ? "-" + this.iDay : "-0" + this.iDay);
    }
    public Week toWeek() {
        int iOffsetDays = 0;
        for (int i = 1901; i < iYear; i++) {
            if (ChineseCalendar.bIsSolarLeapYear(i))
                iOffsetDays += 366;
            else
                iOffsetDays += 365;
        }
        iOffsetDays += ChineseCalendar.iGetSNewYearOffsetDays(iYear, iMonth, iDay);
        return new Week((iOffsetDays + 2) % 7);
    }
    public LunarDate toLunarDate() {
        int iYear, iMonth, iDay, iDate;
        LunarDate ld;
        iDate = Integer.parseInt(ChineseCalendar.sCalendarSolarToLundar(this.iYear,
                this.iMonth, this.iDay));
        iYear = iDate / 10000;
        iMonth = iDate % 10000 / 100;
        iDay = iDate % 100;
        ld = new LunarDate(iYear, iMonth, iDay);
        return ld;
    }
}
//     阴历日期类,继承自定义日期类
class LunarDate extends MyDate {
    private String sChineseNum[] = { "零", "一", "二", "三", "四", "五",
            "六", "七", "八", "九", "十" };
    private static int checkMonth(int iYear, int iMonth) {
        if ((iMonth > 12) && (iMonth == ChineseCalendar.iGetLLeapMonth(iYear) + 12)) {
            return iMonth;
        } else if (iMonth > 12) {
            System.out.println("Month out of range, I think you want 12 ");
            return 12;
        } else if (iMonth < 1) {
            System.out.println("Month out of range, I think you want 1 ");
            return 1;
        } else
            return iMonth;
    }
    private static int checkDay(int iYear, int iMonth, int iDay) {
        int iMonthDays = ChineseCalendar.iGetLMonthDays(iYear, iMonth);
        if (iDay > iMonthDays) {
            System.out.println("Day out of range, I think you want " + iMonthDays + " ");
            return iMonthDays;
        } else if (iDay < 1) {
            System.out.println("Day out of range, I think you want 1 ");
            return 1;
        } else
            return iDay;
    }
    public LunarDate(int iYear, int iMonth, int iDay) {
        super(iYear);
        this.iMonth = checkMonth(this.iYear, iMonth);
        this.iDay = checkDay(this.iYear, this.iMonth, iDay);
    }
    public LunarDate(int iYear, int iMonth) {
        super(iYear);
        this.iMonth = checkMonth(this.iYear, iMonth);
    }
    public LunarDate(int iYear) {
        super(iYear);
    }
    public LunarDate() {
        super();
    }
    public String toString() {
        String sCalendar = "农历";
        sCalendar += sChineseNum[iYear / 1000] + sChineseNum[iYear % 1000 / 100] +
                sChineseNum[iYear % 100 / 10]
                + sChineseNum[iYear % 10] + "(" + toChineseEra() + ")年";
        if (iMonth > 12) {
            iMonth -= 12;
            sCalendar += "闰";
        }
        if (iMonth == 12)
            sCalendar += "腊月";
        else if (iMonth == 11)
            sCalendar += "冬月";
        else if (iMonth == 1)
            sCalendar += "正月";
        else
            sCalendar += sChineseNum[iMonth] + "月";
        if (iDay > 29)
            sCalendar += "三十";
        else if (iDay > 20)
            sCalendar += "二十" + sChineseNum[iDay % 20];
        else if (iDay == 20)
            sCalendar += "二十";
        else if (iDay > 10)
            sCalendar += "十" + sChineseNum[iDay % 10];
        else
            sCalendar += "初" + sChineseNum[iDay];
        return sCalendar;
    }
    public CnWeek toWeek() {
        int iOffsetDays = 0;
        for (int i = 1901; i < iYear; i++)
            iOffsetDays += ChineseCalendar.iGetLYearDays(i);
        iOffsetDays += ChineseCalendar.iGetLNewYearOffsetDays(iYear, iMonth, iDay);
        return new CnWeek((iOffsetDays + 2) % 7);
    }
    public ChineseEra toChineseEra() {
        return new ChineseEra(iYear);
    }
    public SolarDate toSolarDate() {
        int iYear, iMonth, iDay, iDate;
        SolarDate sd;
        iDate = Integer.parseInt(ChineseCalendar.sCalendarLundarToSolar(this.iYear,
                this.iMonth, this.iDay));
        iYear = iDate / 10000;
        iMonth = iDate % 10000 / 100;
        iDay = iDate % 100;
        sd = new SolarDate(iYear, iMonth, iDay);
        return sd;
    }
}
class CnWeek extends Week {
    private String sCnWeek[] = { "日", "一", "二", "三", "四", "五", "六" };
    public CnWeek() {
        super();
    }
    public CnWeek(int iWeek) {
        super(iWeek);
    }
    public String toString() {
        return "星期" + sCnWeek[this.iWeek];
    }
}
class ChineseEra {
    int iYear;
    String[] sHeavenlyStems = { "甲", "乙", "丙", "丁", "戊", "己", "庚",
            "辛", "壬", "癸" };
    String[] sEarthlyBranches = { "子", "丑", "寅", "卯", "辰", "巳", "午",
            "未", "申", "酉", "戌", "亥" };
    public ChineseEra() {
        int iYear = 1981;
    }
    public ChineseEra(int iYear) {
        if ((iYear < 2050) && (iYear > 1901))
            this.iYear = iYear;
        else
            this.iYear = 1981;
    }
    public String toString() {
        int temp;
        temp = Math.abs(iYear - 1924);
        return sHeavenlyStems[temp % 10] + sEarthlyBranches[temp % 12];
    }
}
